class Cql::Index

• Cql::Index
• Reference
• Object

Overview

An index on a table This class represents an index on a table It provides methods for setting the columns and unique constraint It also provides methods for generating the index name

Example Creating a new index

schema.build do
  table :users do
    column :name, String
    column :email, String
    index [:name, :email], unique: true
  end
end

Defined in:

index.cr

Constructors

• .new(table : Table, columns : Array(Symbol), unique : Bool = false, name : String | Nil = nil)

Instance Method Summary

• #columns : Array(Symbol)
• #index_name
• #name : String | Nil
• #name=(name : String | Nil)
• #table : Table
• #unique? : Bool

Constructor Detail

Instance Method Detail